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[FudZ] How Intel did the overclock lock on LGA1160

post #1 of 89
Thread Starter 
Quote:
No easy work around

As we told you some time ago, Intel has put in what can only be called an overclocking lock in the upcoming LGA1160 processors which are currently going under the codenames of Lynnfield and Havendale.

Until now we didn't know how this had been implemented, but we've learned some more about it and it looks like there is no easy work around. As these processors have the memory controller and a few more bits integrated into the CPU itself, Intel suddenly has a lot more control than it has had with past designs that utilized a separate chipset which contains the memory controller.

As Intel seems to want to push the much more expensive Bloomfield platform to overclockers, the company implemented a lock that prevents these new processors from being overclocked by adding two PLL clock generators, one inside the CPU itself and one in the PCH.

This might not sound like it's a big problem in itself, but what Intel has done is that these two will clock generators will reference eachother and this means that just changing the bus speed won't have any effect if you're trying to overclock the CPU as it will dissregard the information from the PCH if it's not a correct value.

There might still be options for overclocking these CPU's, but our understanding is that this isn't easily done and Intel doesn't want it to be and as such Intel is unlikely to give out this information to third party motherboard manufacturers.

The sum of all this is that Intel might loose out a few enthusiast users that don't have deep enough pockets to get a Bloomfield system to AMD, which might not be a bad thing for AMD in the end.
http://www.fudzilla.com/index.php?op...7255&Itemid=35

Here is a thread with more insight from an Intel employee and others:

http://www.xtremesystems.org/forums/...d.php?t=187365
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post #2 of 89
Stupid move Intel! OC'ers will move in droves to AMD!
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post #3 of 89
AND....Its fudzilla...I heard about this while back...this would be total BS if Intel did this too there chips.
post #4 of 89
Will we have to re-name this site, runnningstock.net
Edited by killerhz - 5/10/08 at 7:08pm
post #5 of 89
i've seen this before.... they should ban fudzilla articles.... or require they all say in real big words at the top "TAKE WITH A BAG OF SALT"
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post #6 of 89
I hope this isn't true...
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post #7 of 89
This situation has also been reported from other sources, not just Fud, so I wouldn't disregard it just yet.
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post #8 of 89
Not exactly a good move.
'bout time.
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post #9 of 89
Quote:
Originally Posted by killerhz View Post
Will we have to name this site, runnningstock.net
There's always AMD, Running 700Mhz above stock is better than running @ stock...

And this does seem like something Intel would do, after the Pentium MMX, etc thing of selling them overclocked...
    
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post #10 of 89
If this is indeed true, I'll be moving to AMD.
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